SystemUI: Introduce DataSwitchTile

* Based on OnePlus' OxygenOS tile, reworked to work with AOSP toggling
  without requirements on proprietary telephony-ext features.

* QS icons are designed and made by Andrew Fluck.

Co-authored-by: idoybh <idoybh2@gmail.com>
Co-authored-by: jhonboy121 <alfredmathew05@gmail.com>
Change-Id: Ie2e280c07f24f9da6b4ee218b72501a2713ce429

8 files changed, 340 insertions, 2 deletions

diff --git a/data/etc/com.android.systemui.xml b/data/etc/com.android.systemui.xml
index f2a33de008d6..437ad2fa035e 100644
--- a/data/etc/com.android.systemui.xml
+++ b/data/etc/com.android.systemui.xml
@@ -60,6 +60,7 @@
         <permission name="android.permission.UPDATE_APP_OPS_STATS"/>
         <permission name="android.permission.USE_RESERVED_DISK"/>
         <permission name="android.permission.WATCH_APPOPS"/>
+        <permission name="android.permission.WRITE_APN_SETTINGS"/>
         <permission name="android.permission.WRITE_DREAM_STATE"/>
         <permission name="android.permission.WRITE_MEDIA_STORAGE"/>
         <permission name="android.permission.MANAGE_EXTERNAL_STORAGE"/>
diff --git a/packages/SystemUI/AndroidManifest.xml b/packages/SystemUI/AndroidManifest.xml
index 1e3b45eada21..41b320caf600 100644
--- a/packages/SystemUI/AndroidManifest.xml
+++ b/packages/SystemUI/AndroidManifest.xml
@@ -294,6 +294,9 @@
     <protected-broadcast android:name="com.android.settingslib.action.UNREGISTER_SLICE_RECEIVER" />
     <protected-broadcast android:name="com.android.settings.flashlight.action.FLASHLIGHT_CHANGED" />
 
+    <!-- DataSwitch tile -->
+    <uses-permission android:name="android.permission.WRITE_APN_SETTINGS" />
+
     <application
         android:name=".SystemUIApplication"
         android:persistent="true"
diff --git a/packages/SystemUI/res/drawable/ic_qs_data_switch_1.xml b/packages/SystemUI/res/drawable/ic_qs_data_switch_1.xml
new file mode 100644
index 000000000000..aa8139294b1d
--- /dev/null
+++ b/packages/SystemUI/res/drawable/ic_qs_data_switch_1.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2019 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M10,2H18C19.1,2 20,2.9 20,4V14H18V4H10.83L6,8.83V20H12V22H6C4.9,22 4,21.1 4,20V8L10,2Z"
+      android:fillColor="#000000"
+      android:fillType="evenOdd"/>
+  <path
+      android:pathData="M15.4492,11H14.1289V6.7969L12.832,7.1758V6.1758L15.3281,5.3125H15.4492V11Z"
+      android:fillColor="#000000"/>
+  <path
+      android:pathData="M14,20V16H18L14,20Z"
+      android:fillColor="#000000"/>
+  <path
+      android:pathData="M20,18L20,22L16,22L20,18Z"
+      android:fillColor="#000000"/>
+</vector>
diff --git a/packages/SystemUI/res/drawable/ic_qs_data_switch_2.xml b/packages/SystemUI/res/drawable/ic_qs_data_switch_2.xml
new file mode 100644
index 000000000000..cd0b057174d9
--- /dev/null
+++ b/packages/SystemUI/res/drawable/ic_qs_data_switch_2.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2019 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M10,2H18C19.1,2 20,2.9 20,4V14H18V4H10.83L6,8.83V20H12V22H6C4.9,22 4,21.1 4,20V8L10,2Z"
+      android:fillColor="#000000"
+      android:fillType="evenOdd"/>
+  <path
+      android:pathData="M16.5,11H12.5312V10.1406L14.3594,8.2188C14.8099,7.7057 15.0352,7.2982 15.0352,6.9961C15.0352,6.7513 14.9818,6.5651 14.875,6.4375C14.7682,6.3099 14.6133,6.2461 14.4102,6.2461C14.2096,6.2461 14.0469,6.332 13.9219,6.5039C13.7969,6.6732 13.7344,6.8854 13.7344,7.1406H12.4141C12.4141,6.7917 12.5013,6.47 12.6758,6.1758C12.8503,5.8789 13.0924,5.6471 13.4023,5.4805C13.7122,5.3138 14.0586,5.2305 14.4414,5.2305C15.056,5.2305 15.5286,5.3724 15.8594,5.6563C16.1927,5.9401 16.3594,6.3477 16.3594,6.8789C16.3594,7.1029 16.3177,7.3216 16.2344,7.5352C16.151,7.7461 16.0208,7.9688 15.8438,8.2031C15.6693,8.4349 15.3867,8.7461 14.9961,9.1367L14.2617,9.9844H16.5V11Z"
+      android:fillColor="#000000"/>
+  <path
+      android:pathData="M14,20V16H18L14,20Z"
+      android:fillColor="#000000"/>
+  <path
+      android:pathData="M20,18L20,22L16,22L20,18Z"
+      android:fillColor="#000000"/>
+</vector>
diff --git a/packages/SystemUI/res/values/config.xml b/packages/SystemUI/res/values/config.xml
index 9226ca873156..18dd1dce7727 100644
--- a/packages/SystemUI/res/values/config.xml
+++ b/packages/SystemUI/res/values/config.xml
@@ -107,7 +107,7 @@
 
     <!-- Tiles native to System UI. Order should match "quick_settings_tiles_default" -->
     <string name="quick_settings_tiles_stock" translatable="false">
-        internet,wifi,cell,bt,flashlight,dnd,alarm,airplane,nfc,controls,wallet,rotation,battery,cast,screenrecord,mictoggle,cameratoggle,location,hotspot,inversion,saver,dark,work,night,reverse,reduce_brightness,ambient_display,aod,caffeine,heads_up
+        internet,wifi,cell,bt,flashlight,dnd,alarm,airplane,nfc,controls,wallet,rotation,battery,cast,screenrecord,mictoggle,cameratoggle,location,hotspot,inversion,saver,dark,work,night,reverse,reduce_brightness,ambient_display,aod,caffeine,heads_up,dataswitch
     </string>
 
     <!-- The tiles to display in QuickSettings -->
diff --git a/packages/SystemUI/res/values/ice_strings.xml b/packages/SystemUI/res/values/ice_strings.xml
index 36c1e3a2592c..d4d8b24834fd 100644
--- a/packages/SystemUI/res/values/ice_strings.xml
+++ b/packages/SystemUI/res/values/ice_strings.xml
@@ -38,4 +38,11 @@
     <string name="accessibility_quick_settings_heads_up_on">Heads up on.</string>
     <string name="accessibility_quick_settings_heads_up_changed_off">Heads up turned off.</string>
     <string name="accessibility_quick_settings_heads_up_changed_on">Heads up turned on.</string>
+
+    <!-- DataSwitch Tile -->
+    <string name="qs_data_switch_label">Switch data card</string>
+    <string name="qs_data_switch_toast_0">Currently no SIM card is inserted</string>
+    <string name="qs_data_switch_toast_1">Currently only one SIM card is inserted</string>
+    <string name="qs_data_switch_changed_1">Switch data card to SIM 1.</string>
+    <string name="qs_data_switch_changed_2">Switch data card to SIM 2.</string>
 </resources>
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSFactoryImpl.java b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSFactoryImpl.java
index 7a18353792ee..1301708ac648 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSFactoryImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSFactoryImpl.java
@@ -55,6 +55,7 @@ import com.android.systemui.qs.tiles.UiModeNightTile;
 import com.android.systemui.qs.tiles.UserTile;
 import com.android.systemui.qs.tiles.WifiTile;
 import com.android.systemui.qs.tiles.WorkModeTile;
+import com.android.systemui.qs.tiles.DataSwitchTile;
 import com.android.systemui.util.leak.GarbageMonitor;
 
 import javax.inject.Inject;
@@ -98,6 +99,7 @@ public class QSFactoryImpl implements QSFactory {
     private final Provider<AODTile> mAODTileProvider;
     private final Provider<CaffeineTile> mCaffeineTileProvider;
     private final Provider<HeadsUpTile> mHeadsUpTileProvider;
+    private final Provider<DataSwitchTile> mDataSwitchTileProvider;
 
     private final Lazy<QSHost> mQsHostLazy;
     private final Provider<CustomTile.Builder> mCustomTileBuilderProvider;
@@ -136,7 +138,8 @@ public class QSFactoryImpl implements QSFactory {
             Provider<AmbientDisplayTile> ambientDisplayTileProvider,
             Provider<AODTile> aodTileProvider,
             Provider<CaffeineTile> caffeineTileProvider,
-            Provider<HeadsUpTile> headsUpTileProvider) {
+            Provider<HeadsUpTile> headsUpTileProvider,
+            Provider<DataSwitchTile> dataSwitchTileProvider) {
         mQsHostLazy = qsHostLazy;
         mCustomTileBuilderProvider = customTileBuilderProvider;
 
@@ -171,6 +174,7 @@ public class QSFactoryImpl implements QSFactory {
         mAODTileProvider = aodTileProvider;
         mCaffeineTileProvider = caffeineTileProvider;
         mHeadsUpTileProvider = headsUpTileProvider;
+        mDataSwitchTileProvider = dataSwitchTileProvider;
     }
 
     public QSTile createTile(String tileSpec) {
@@ -246,6 +250,8 @@ public class QSFactoryImpl implements QSFactory {
                 return mCaffeineTileProvider.get();
             case "heads_up":
                 return mHeadsUpTileProvider.get();
+            case "dataswitch":
+                return mDataSwitchTileProvider.get();
         }
 
         // Custom tiles
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/DataSwitchTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/DataSwitchTile.java
new file mode 100644
index 000000000000..1850b1aa5e38
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/DataSwitchTile.java
@@ -0,0 +1,251 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use mHost file
+ * except in compliance with the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the
+ * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+package com.android.systemui.qs.tiles;
+
+import android.annotation.Nullable;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.SystemProperties;
+import android.provider.Settings;
+import android.telephony.PhoneStateListener;
+import android.telephony.SubscriptionInfo;
+import android.telephony.SubscriptionManager;
+import android.telephony.TelephonyManager;
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.View;
+import android.widget.Toast;
+
+import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.internal.telephony.IccCardConstants;
+import com.android.internal.telephony.TelephonyIntents;
+import com.android.systemui.dagger.qualifiers.Background;
+import com.android.systemui.dagger.qualifiers.Main;
+import com.android.systemui.plugins.ActivityStarter;
+import com.android.systemui.plugins.FalsingManager;
+import com.android.systemui.R;
+import com.android.systemui.plugins.qs.QSTile.BooleanState;
+import com.android.systemui.plugins.statusbar.StatusBarStateController;
+import com.android.systemui.qs.logging.QSLogger;
+import com.android.systemui.qs.QSHost;
+import com.android.systemui.qs.tileimpl.QSTileImpl;
+import com.android.systemui.qs.tileimpl.QSTileImpl.ResourceIcon;
+
+import java.util.concurrent.Executors;
+import java.util.List;
+
+import javax.inject.Inject;
+
+public class DataSwitchTile extends QSTileImpl<BooleanState> {
+    private boolean mCanSwitch = true;
+    private boolean mRegistered;
+    private int mSimCount;
+
+    private final Intent mLongClickIntent;
+    private final String mTileLabel;
+    private final BroadcastReceiver mSimReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (DEBUG) Log.d(TAG, "mSimReceiver:onReceive");
+            refreshState();
+        }
+    };
+    private final PhoneStateListener mPhoneStateListener;
+    private final SubscriptionManager mSubscriptionManager;
+    private final TelephonyManager mTelephonyManager;
+
+    @Inject
+    public DataSwitchTile(
+        QSHost host,
+        @Background Looper backgroundLooper,
+        @Main Handler mainHandler,
+        FalsingManager falsingManager,
+        MetricsLogger metricsLogger,
+        StatusBarStateController statusBarStateController,
+        ActivityStarter activityStarter,
+        QSLogger qsLogger
+    ) {
+        super(host, backgroundLooper, mainHandler, falsingManager, metricsLogger,
+                statusBarStateController, activityStarter, qsLogger);
+        mLongClickIntent = new Intent(Settings.ACTION_NETWORK_OPERATOR_SETTINGS);
+        mTileLabel = mContext.getString(R.string.qs_data_switch_label);
+        mSubscriptionManager = SubscriptionManager.from(mContext);
+        mTelephonyManager = TelephonyManager.from(mContext);
+        mPhoneStateListener = new PhoneStateListener() {
+            @Override
+            public void onCallStateChanged(int state, String arg1) {
+                mCanSwitch = mTelephonyManager.getCallState() == 0;
+                refreshState();
+            }
+        };
+    }
+
+    @Override
+    public boolean isAvailable() {
+        int count = TelephonyManager.getDefault().getPhoneCount();
+        if (DEBUG) Log.d(TAG, "phoneCount: " + count);
+        return count >= 2;
+    }
+
+    @Override
+    public BooleanState newTileState() {
+        final BooleanState state = new BooleanState();
+        state.label = mContext.getString(R.string.qs_data_switch_label);
+        return state;
+    }
+
+    @Override
+    public void handleSetListening(boolean listening) {
+        if (listening) {
+            if (!mRegistered) {
+                final IntentFilter filter = new IntentFilter(TelephonyIntents.ACTION_SIM_STATE_CHANGED);
+                mContext.registerReceiver(mSimReceiver, filter);
+                mTelephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
+                mRegistered = true;
+            }
+            refreshState();
+        } else if (mRegistered) {
+            mContext.unregisterReceiver(mSimReceiver);
+            mTelephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_NONE);
+            mRegistered = false;
+        }
+    }
+
+    private void updateSimCount() {
+        String simState = SystemProperties.get("gsm.sim.state");
+        if (DEBUG) Log.d(TAG, "DataSwitchTile:updateSimCount:simState=" + simState);
+        mSimCount = 0;
+        try {
+            final String[] sims = TextUtils.split(simState, ",");
+            for (String sim : sims) {
+                if (!sim.isEmpty()
+                        && !sim.equalsIgnoreCase(IccCardConstants.INTENT_VALUE_ICC_ABSENT)
+                        && !sim.equalsIgnoreCase(IccCardConstants.INTENT_VALUE_ICC_NOT_READY)) {
+                    mSimCount++;
+                }
+            }
+        } catch (NullPointerException e) {
+            Log.e(TAG, "Error on parsing sim state " + e.getMessage());
+        }
+        if (DEBUG) Log.d(TAG, "DataSwitchTile:updateSimCount:mSimCount=" + mSimCount);
+    }
+
+    @Override
+    protected void handleClick(@Nullable View view) {
+        if (!mCanSwitch) {
+            if (DEBUG) Log.d(TAG, "Call state=" + mTelephonyManager.getCallState());
+        } else if (mSimCount == 0) {
+            if (DEBUG) Log.d(TAG, "handleClick:no sim card");
+            Toast.makeText(mContext, R.string.qs_data_switch_toast_0,
+                    Toast.LENGTH_LONG).show();
+        } else if (mSimCount == 1) {
+            if (DEBUG) Log.d(TAG, "handleClick:only one sim card");
+            Toast.makeText(mContext, R.string.qs_data_switch_toast_1,
+                    Toast.LENGTH_LONG).show();
+        } else {
+            Executors.newSingleThreadExecutor().execute(() -> {
+                toggleMobileDataEnabled();
+                refreshState();
+            });
+        }
+    }
+
+    @Override
+    public Intent getLongClickIntent() {
+        return mLongClickIntent;
+    }
+
+    @Override
+    public CharSequence getTileLabel() {
+        return mTileLabel;
+    }
+
+    @Override
+    protected void handleUpdateState(BooleanState state, Object arg) {
+        boolean activeSIMZero;
+        if (arg == null) {
+            int defaultPhoneId = mSubscriptionManager.getDefaultDataPhoneId();
+            if (DEBUG) Log.d(TAG, "default data phone id=" + defaultPhoneId);
+            activeSIMZero = defaultPhoneId == 0;
+        } else {
+            activeSIMZero = (Boolean) arg;
+        }
+        updateSimCount();
+        state.value = mSimCount == 2;
+        if (mSimCount == 1 || mSimCount == 2) {
+            state.icon = ResourceIcon.get(activeSIMZero
+                    ? R.drawable.ic_qs_data_switch_1
+                    : R.drawable.ic_qs_data_switch_2);
+        } else {
+            state.icon = ResourceIcon.get(R.drawable.ic_qs_data_switch_1);
+        }
+        if (mSimCount < 2 || !mCanSwitch) {
+            state.state = 0;
+            if (!mCanSwitch && DEBUG) Log.d(TAG, "call state isn't idle, set to unavailable.");
+        } else {
+            state.state = state.value ? 2 : 1;
+        }
+
+        state.contentDescription =
+                mContext.getString(activeSIMZero
+                        ? R.string.qs_data_switch_changed_1
+                        : R.string.qs_data_switch_changed_2);
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.ICE;
+    }
+
+    @Override
+    protected String composeChangeAnnouncement() {
+        return mContext.getString(mState.value
+                ? R.string.qs_data_switch_changed_1
+                : R.string.qs_data_switch_changed_2);
+    }
+
+    /**
+     * Set whether to enable data for {@code subId}, also whether to disable data for other
+     * subscription
+     */
+    private void toggleMobileDataEnabled() {
+        // Get opposite slot 2 ^ 3 = 1, 1 ^ 3 = 2
+        int subId = SubscriptionManager.getDefaultDataSubscriptionId() ^ 3;
+        final TelephonyManager telephonyManager =
+                mTelephonyManager.createForSubscriptionId(subId);
+        telephonyManager.setDataEnabled(true);
+        mSubscriptionManager.setDefaultDataSubId(subId);
+        if (DEBUG) Log.d(TAG, "Enabled subID: " + subId);
+
+        final List<SubscriptionInfo> subInfoList =
+                mSubscriptionManager.getActiveSubscriptionInfoList(true);
+        if (subInfoList != null) {
+            // We never disable mobile data for opportunistic subscriptions.
+            subInfoList.stream()
+                .filter(subInfo -> !subInfo.isOpportunistic())
+                .map(subInfo -> subInfo.getSubscriptionId())
+                .filter(id -> id != subId)
+                .forEach(id -> {
+                    mTelephonyManager.createForSubscriptionId(id).setDataEnabled(false);
+                    if (DEBUG) Log.d(TAG, "Disabled subID: " + id);
+                });
+        }
+    }
+}